“Wonderful Korg 770 mono analog synth with two ring modulators. The VSE description does not do justice to the possibilities of this synth. Recently serviced and recapped. Fully functional with cosmetic issues: the silver caps of the knobs were removed by the previous owner and the portamento knob is not the original but a generic replacement that fits corectly (these knobs are the same used by the original MS20) There are four chips in the wooden panels (all pictured) and three very small scratches on the top panel (all pictured along a dime for reference). 3-day return policy. ” Link

“Vintage Korg 770 synthesizer in excellent plus condition. Aside from some wood wear and tear looks amazing and sounds even better. Classic 70’s Korg sounds! Tracks and is very stable for an old synth. 2Oscillators, amazing filter section and has interesting modulation options. Really a great synth. All original!” Link

“Vintage Analog Synthesizer KORG 770 Family of 700 700s 800DV w/hard case
Unit is in perfect working order. Please see photos for details. Phenomenal tones out of this BEAST! Such JUICY JUICY TONE. An amazing vintage synth that will do nothing but appreciate. Very rare these days.” Link

“Korg 770 analog synthesizer. Sounds good and has a pretty unique sound. This is a synth from 1976. It is being sold as is and there will be no returns. There are several small scratches and chip on one of the wood panels. No manual available for it.” Link

Rarely does these come by and this particular one has a extremely rare CV/GATE update.
The CV/GATE update includes simultaneous control of with both High pass cutoff and Low pass filter cutoff frequency via CV in!

Everything works beautifully.

You can also process sounds thorugh Audio in for extra fun.

For full disclosure there is a tiny dent on the front panel by the VCF LFO swith, see closeup picture.” Link

“This is a very rare and unique sounding synth from Korg, it works 100% with no issues at all, there is a few marks here and there as you can see from the pictures and the wood side panels have been varnished by the previous owner, considering it was made in the late 70’s i would say it’s a very good example of this very organic sounding little synth that will only go up in value over the years.” Link

“This is a very rare and unique sounding synth from Korg, it works 100% with no issues at all, there is a few marks here and there as you can see from the pictures and the wood side panels have been varnished by the previous owner, considering it was made in the late 70’s i would say it’s a very good example of this very organic sounding little synth.” Link

” Korg 770 missing some paint on the front bottom metal panel with some nicks on the paint and dings and nicks on wood. Other than that works great! Hate to see it go but money is needed. Original dust cover included. ” Link

“This is an incredible example of the ultra-rare Korg 770 synthesiser.
It is in amazing cosmetic and fully working condition.
It comes with the original dust cover (as pictured) and has an added Midi Retrofit Kit installed by Kenton themselves.

There is one slight imperfection. A previous owner has left a cigarette mark on one of the black keys and slight coloration on the white next to it. See picture. These can easily be replaced.” Link

“This is a used keyboard. Cosmetics: Multiple scratches, chips and dings. Much of paint on the front of keyboard below the keys has come off. Looks like someone may have had tape along the front. (photo 4 & 5) The lettering on the synth is all legible. The wood paneling on both sides has some wear, scratches and dents. Same with the wood “cheekblocks” on either side of the keyboard. I would consider most of this wear and tear normal for age of the keyboard. Electronics: The electronics seem really good. No issues noise when the pots are turned. All knobs, sliders, and switches all work. All keys work and ar in good condition. It appears to be the original power cable. Has matching cover” Link

“This is an incredible example of the ultra-rare Korg 770 synthesiser.
It is in amazing cosmetic and fully working condition.
It comes with the original dust cover (as pictured) and has an added Midi Retrofit Kit installed by Kenton themselves.

There is one slight imperfection. A previous owner has left a cigarette mark on one of the black keys and slight coloration on the white next to it. See picture. These can easily be replaced.” Link

“This item is used and is sold AS IS. The condition is great considering its age. These were made in the late 70s. I haven’t done any restoration of any kind. I have opened the machine to make sure there weren’t any visible defects. It looks clean to me. I have provided some video footage of the synth to demonstrate how it functions. I am happy to answer any questions you may have about this item. There is one broken key but the rest of the keys appear to function properly. Some of the pots/sliders/switches could probably use a cleaning and you might consider replacing the caps as well as updating the power cord to a 3 prong, etc. I know the right person could easily restore this synth, but I can also see someone using it as is. Makes some really killer sounds. I am not an expert when it comes to these machines and I make no guarantees on the condition of this device. I will package the synth with special care to avoid any damage during shipping.” Link

“I have tested this item and found it to be fully operational (except for one broken key). I am not a synth or keyboard player, but I am professional musician and I own quite a few analog keyboards. I am a singer, bass player and guitarist. I do understand how this item operates. It has one broken key that appears to have been broken at the end of the key, keeping it from connecting properly. Every other key works. I was able to test each knob, slider, and switch and they all work as well. Someone who is more familiar with this keyboard should be able to repair the broken key. I did not want to risk further damage by attempting to repair it myself. I can see someone using it even with the broken key. It is the highest key on the device so, it is not as annoying as a broken key in the middle of the keyboard. This little guy makes some killer sounds and should give someone a very unique flavor to their music. ” Link

“This one is in really great cosmetic shape, just a small scratch here and there. Electronically it seems be in pretty good shape as well. A couple of keys warble a bit pitchwise but its pretty intermittent. I’d recommend giving her a through cleaning inside. I bought it from someone who had it a very long time and took great care of it, but I’d say its just due for some extra love. I had no trouble playing with it as is, so its certainly not something that has to be done before immediate use or anything! ” Link

“This unit has some wear and tear as can be seen in the photos but really is in good shape for it’s age. A couple of knobs are missing the silver trim rings, In working condition but sold as is. I am the second owner and have not used the synth since the 80’s.” Link

“This Synth is in excellent condition! It sounds great, it doesn’t crackle at all, it is cosmetically in great shape, and if you end up buying it you will be REALLY HAPPY! It’s one of the funnest instruments I have ever owned!” Link

“Auctioning a 1976 Korg model 770 synthesizer
I purchased this keyboard last year from Swithched On in Austin, TX. It had been serviced and refurbished by their shop prior to the sale. As you can see four of the knobs are not original. some light signs of use and wear but generally looks great cosmetically.
Excellent working condition, some light signs of wear but above average cosmetic condition for its age. Unique sounding synth with an amazing set of functions: Two analog oscillators, ring modulator, tunable noise circuit, multiple lfos that can drive the filter and/or the pitch, bend effects, portamento, high pass and low pass filters with extra expand controls. Nice set of waveforms and the oscillators can be tuned or detuned at intervals.Also has an external audio in jack.” Link

“Up for sale, Korg 770 analog synthesizer. Has been serviced, recapped cleaned, all switches and sliders cleaned and lubricated everything works the way it should 100%.

This is really a special synth, has a unique sound, 2 analog oscillators, ring modulator, filter is really nice, and as a bonus has the Kenton Hz/v gate and filter mod installed. You can control it from a sequencer or your DAW.

Condition wise is OK. Has few scratches on the faceplate that have been covered with black marker, the wood on the side of the keys has a missing bit. Also few of the silver covers are missing on the switches and sliders. ” Link

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